What is the Least Common Multiple of 3820 and 3836?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least Common Multiple of 3820 and 3836 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3820 and 3836, than apply into the LCM equation.

GCF(3820,3836) = 4
LCM(3820,3836) = ( 3820 × 3836) / 4
LCM(3820,3836) = 14653520 / 4
LCM(3820,3836) = 3663380

Least Common Multiple (LCM) of 3820 and 3836 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 3820 and 3836. First we will calculate the prime factors of 3820 and 3836.

Prime Factorization of 3820

Prime Factorization of 3836

Now multiplying the highest exponent prime factors to calculate the LCM of 3820 and 3836.

LCM(3820,3836) = 2² × 5¹ × 191¹ × 7¹ × 137¹
LCM(3820,3836) = 3663380